Our 7th annual Capture the Flag (CTF) cybersecurity competition is a global, knowledge-based challenge to create a safer digital world

Register your team for the online qualifier, and you could compete in the final competition for the prize of JPY 1,000,000 (approximately USD 9,000) and more.

Test your knowledge and skills in targeted attacks, Internet of Things (IoT), reversing, mobile, machine learning, and other cybersecurity issues.

The competition consists of an online qualifying event in September, and this and a special virtual final in December.

The online qualifier is in a “Jeopardy” style format — players solve challenges in various cybersecurity categories. The top 10 teams from the online qualifier will advance to compete in the final, which is a different take on the standard “Jeopardy” style format with a new dynamic value scoring element.


The top 3 teams will claim the following prizes following the special virtual final:


JPY 1,000,000 (approx. USD 9,000) for the winning team

ZDI Reward Points – 15,000 points per player (equivalent of ZDI Bronze) for each member of the winning team.

In addition, up to 4 members of the winning team will get a direct invitation to participate in the 2022 event finals..


JPY 300,000
(approx. USD 2,600)


JPY 200,000
(approx. USD 1,800)


Online qualifier

Program: “Jeopardy” style

Dates: September 18-19, 2021 (Japan Standard Time - JST)
Duration: 24 hours
Start Time: 13:00 (JST) September 18, 2021
End Time: 13:00 (JST) September 19, 2021
Language: English
Venue: Online (requires internet connection)
Requirements: Must be at least 18 years of age to participate



Program: To Be Determined

Dates: December 18-19, 2021
Language: English
Venue: Online Virtual Final

Participants: (max. four members per group)

  • Top ten (10) teams from the Online Qualifier
  • Automatic qualification: winners from select regional events are eligible for participating in Trend Micro CTF 2021 – Raimund Genes Cup – The Final
  • All team members must be age 18 or older to participate
CTF 2021

Think you have what it takes?

Register your team for the challenge.

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